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APC PS9-DTE ProtectNet standalone surge protector for Serial RS232 lines (9 pin female to male)
APC PS9-DTE ProtectNet RS-232 DTE Serial Port Surge Line Protector | RecycledGoods.com
Serial Port Pinouts - Local Manager User Guide
RS232 APC SMART UPS 450SC SERIAL CABLE - VARIOUS OTHER MODEL | eBay
APC UPS Communication Cable Smart Signaling - 940-0024 - -
APC Console Server to Serial APC UPS DB9 Adapter - APC Albania
Amazon.com: FTDI USB RS232 to DB9 Communication Cable for APC UPS 940 0024C Serial Kable : Electronics
Network UPS Tools - APC's smart protocol
APC PDU Configuration Serial Cable RJ12 to DB9 OEM 940-0144A | eBay
APC PS9-DTE ProtectNet RS-232 DTE Serial Port Surge Line Protector | RecycledGoods.com
Network UPS Tools - APC's smart protocol
APC - serial cable - RJ-45 to DB-9 - 6.6 ft - AP940-0625A - -